Home / 7,320.05-10,100.76-4,335.20

Finding the Fourth Proportional to 7,320.05, 10,100.76 and 4,335.20

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Solution

The fourth proportional to 7,320.05, 10,100.76 and 4,335.20 is: 5,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.05 : 10,100.76 = 4,335.20 : x
  2. Step 2: Convert to fraction form
    7,320.05/10,100.76 = 4,335.20/x
  3. Step 3: Cross multiply
    7,320.05x = 10,100.76 × 4,335.20
  4. Step 4: Simplify right side
    7,320.05x = 43,788,814.75
  5. Step 5: Solve for x
    x = 43,788,814.75/7,320.05
  6. Step 6: Final answer
    x = 5,982.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.